OFFSET
1,1
COMMENTS
Discriminant=-1120. See A139827 for more information.
LINKS
Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
FORMULA
The primes are congruent to {19, 59, 131, 139, 171, 251} (mod 280).
MATHEMATICA
Union[QuadPrimes2[19, 18, 19, 10000], QuadPrimes2[19, -18, 19, 10000]] (* see A106856 *)
PROG
(Magma) [ p: p in PrimesUpTo(6000) | p mod 280 in [19, 59, 131, 139, 171, 251]]; // Vincenzo Librandi, Aug 01 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved